{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "It has been postulated that the sulfenic acid metabolite resulted from a nucleophilic attack of water on a highly reactive thiolactone sulfoxide derived from P450 - dependent oxidation of the thiolactone primary metabolite ."}
{"Chemical": ["sulfenic acid", "thiolactone sulfoxide", "thiolactone"]}